B41J 2/473
Using multiple light beams, wavelengths or colours
Official title: {using multiple light beams, wavelengths or colours}
B41J2/473 (Using multiple light beams, wavelengths or colours) appears on 699 US grants and 556 published applications in this corpus.
Search patents in B41J- Granted patents
- 699
- Published applications
- 556
- Assignees
- 97
- Inventors
- 848
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 16 | 0 |
| 1998 | 28 | 0 |
| 1999 | 19 | 0 |
| 2000 | 31 | 0 |
| 2001 | 30 | 14 |
| 2002 | 27 | 19 |
| 2003 | 15 | 32 |
| 2004 | 25 | 34 |
| 2005 | 30 | 37 |
| 2006 | 35 | 36 |
| 2007 | 21 | 42 |
| 2008 | 23 | 47 |
| 2009 | 25 | 43 |
| 2010 | 43 | 31 |
| 2011 | 32 | 62 |
| 2012 | 46 | 41 |
| 2013 | 55 | 37 |
| 2014 | 56 | 9 |
| 2015 | 21 | 20 |
| 2016 | 25 | 11 |
| 2017 | 12 | 2 |
| 2018 | 8 | 5 |
| 2019 | 4 | 5 |
| 2020 | 6 | 6 |
| 2021 | 3 | 0 |
| 2022 | 1 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 5 |
| 2025 | 2 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Drawing system and drawing method11 Nov 2025US 12,466,196 B2Sony Group Corporation
- Light scanning apparatus and image forming apparatus including the same27 Aug 2026US 2026/0251996 A1Canon Kabushiki Kaisha
- Marking method and marked receptacle20 Aug 2026US 2026/0241709 A1Airnov, Inc.
- Drawing apparatus and method of forming drawn object18 Jun 2026US 2026/0166890 A1Sony Group Corporation
- Optical scanning device and image forming apparatus26 Mar 2026US 2026/0084438 A1FUJIFILM Business Innovation Corp.
- Laser scanning unit, image forming device and scanning control method4 Dec 2025US 2025/0370362 A1Zhuhai Pantum Electronics Co., Ltd.
Most cited
By later US patents
- Method of assembling and adjusting a multi-beam scanning optical apparatus and method of manufacturing a multi-beam scanning optical apparatus112US 9,442,288 B2Canon Kabushiki Kaisha · 2016
- Multi-beam pitch adjustment system and method76US 5,786,594 ARicoh Company, Ltd. · 1998
- Pixel clock generation device causing state transition of pixel clock according to detected state transition and phase data indicating phase shift amount67US 7,283,151 B2Ricoh Company, Ltd. · 2007
- Nonmonolithic array structure of multiple beam diode lasers59US 5,402,436 AXerox Corporation · 1995
- Multi-beam light source device and multi-beam scanning apparatus using the same59US 6,621,512 B2Ricoh Company, Ltd. · 2003